ScriptCraft/index.html at main · z6sGD/ScriptCraft · GitHub

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<!DOCTYPE html>
<html lang="en" class="dark">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>ScriptCraft - Web Sandbox & JS Injector PWA</title>

  <!-- PWA Metadata -->
  <meta name="theme-color" content="#0f172a">
  <meta name="description" content="PWA Web Sandbox with SCORS Proxy, Direct iFrame embedding, and JavaScript scriptlet injection.">
  <link rel="manifest" id="manifest-placeholder">

  <!-- Tailwind CSS CDN -->
  <script src="https://cdn.tailwindcss.com"></script>
  <script>
    tailwind.config = {
      darkMode: 'class',
      theme: {
        extend: {
          colors: {
            brand: {
              50: '#f0f9ff',
              100: '#e0f2fe',
              500: '#0ea5e9',
              600: '#0284c7',
              700: '#0369a1',
              900: '#0c4a6e',
            }
          }
        }
      }
    }
  </script>

  <!-- Lucide Icons CDN -->
  <script src="https://unpkg.com/lucide@latest"></script>

  <style>
    /* Developer Dark Scrollbars */
    ::-webkit-scrollbar {
      width: 6px;
      height: 6px;
    }
    ::-webkit-scrollbar-track {
      background: #0f172a;
    }
    ::-webkit-scrollbar-thumb {
      background: #334155;
      border-radius: 3px;
    }
    ::-webkit-scrollbar-thumb:hover {
      background: #475569;
    }

    .device-viewport {
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .device-desktop { width: 100%; height: 100%; max-width: 100%; }
    .device-tablet { width: 768px; height: 100%; max-height: 100%; border-radius: 12px; }
    .device-mobile { width: 375px; height: 667px; max-height: 100%; border-radius: 24px; }

    /* Custom Toast Notification Animation */
    @keyframes slide-up {
      from { transform: translateY(100%); opacity: 0; }
      to { transform: translateY(0); opacity: 1; }
    }
    .animate-toast {
      animation: slide-up 0.3s ease-out forwards;
    }
  </style>
</head>
<body class="bg-slate-950 text-slate-100 font-sans antialiased h-screen flex flex-col overflow-hidden">

  <!-- TOP HEADER / NAVBAR -->
  <header class="h-14 border-b border-slate-800 bg-slate-900/90 backdrop-blur px-4 flex items-center justify-between z-20 shrink-0">
    <div class="flex items-center space-x-3">
      <div class="w-8 h-8 rounded-lg bg-gradient-to-tr from-cyan-500 to-blue-600 flex items-center justify-center shadow-lg shadow-cyan-500/20">
        <i data-lucide="code-2" class="w-5 h-5 text-white"></i>
      </div>
      <div>
        <h1 class="font-bold text-sm tracking-wide bg-gradient-to-r from-cyan-400 to-blue-400 bg-clip-text text-transparent">
          ScriptCraft
        </h1>
        <p class="text-[10px] text-slate-400 hidden sm:block">PWA Web Sandbox & JS Injector</p>
      </div>
    </div>

    <!-- RENDER MODE SELECTOR -->
    <div class="flex items-center bg-slate-950 rounded-lg p-1 border border-slate-800">
      <button onclick="setRenderMode('proxy')" id="mode-btn-proxy" class="px-3 py-1 text-xs font-medium rounded-md bg-cyan-600 text-white flex items-center gap-1.5 transition shadow">
        <i data-lucide="shield-check" class="w-3.5 h-3.5"></i> Proxy HTML Injector
      </button>
      <button onclick="setRenderMode('iframe')" id="mode-btn-iframe" class="px-3 py-1 text-xs font-medium rounded-md text-slate-400 hover:text-slate-200 flex items-center gap-1.5 transition">
        <i data-lucide="layout" class="w-3.5 h-3.5"></i> Direct iFrame
      </button>
    </div>

    <!-- Fix Iframe Utility Button -->
    <div class="flex items-center bg-slate-950 rounded-lg p-1 border border-slate-800">
      <button onclick="disable_ext()" id="disable_button" class="px-3 py-1 text-xs font-medium rounded-md bg-slate-900 hover:bg-slate-800 text-cyan-300 flex items-center gap-1.5 transition shadow">
        <i data-lucide="wrench" class="w-3.5 h-3.5"></i> Fix Iframe if broken
      </button>
    </div>

    <!-- VIEWPORT SWITCHER -->
    <div class="hidden lg:flex items-center bg-slate-950 rounded-lg p-1 border border-slate-800 space-x-1">
      <button onclick="setViewport('desktop')" id="btn-vp-desktop" class="vp-btn px-2.5 py-1 text-xs font-medium rounded-md bg-slate-800 text-cyan-400 flex items-center gap-1.5 transition">
        <i data-lucide="monitor" class="w-3.5 h-3.5"></i> Desktop
      </button>
      <button onclick="setViewport('tablet')" id="btn-vp-tablet" class="vp-btn px-2.5 py-1 text-xs font-medium rounded-md text-slate-400 hover:text-slate-200 flex items-center gap-1.5 transition">
        <i data-lucide="tablet" class="w-3.5 h-3.5"></i> Tablet
      </button>
      <button onclick="setViewport('mobile')" id="btn-vp-mobile" class="vp-btn px-2.5 py-1 text-xs font-medium rounded-md text-slate-400 hover:text-slate-200 flex items-center gap-1.5 transition">
        <i data-lucide="smartphone" class="w-3.5 h-3.5"></i> Mobile
      </button>
    </div>

    <!-- RIGHT CONTROLS & BADGES -->
    <div class="flex items-center space-x-2">
      <!-- Allowed Origin Helper Quick Button -->
      <button onclick="toggleModal('origin-modal')" class="flex items-center gap-1.5 px-2.5 py-1.5 rounded-lg border border-cyan-500/30 bg-cyan-950/40 text-cyan-300 text-xs font-medium hover:bg-cyan-900/50 transition">
        <i data-lucide="globe-2" class="w-3.5 h-3.5 text-cyan-400"></i>
        <span class="hidden sm:inline">Allowed Origins</span>
      </button>

      <!-- Key Status Badge -->
      <button onclick="switchTab('settings')" id="key-status-badge" class="flex items-center gap-1.5 px-2.5 py-1.5 rounded-lg border border-emerald-500/30 bg-emerald-950/40 text-emerald-400 text-xs font-medium hover:bg-emerald-900/40 transition">
        <span class="w-2 h-2 rounded-full bg-emerald-400 animate-pulse"></span>
        <span id="key-badge-text" class="hidden sm:inline">SCORS Proxy Active</span>
        <i data-lucide="key" class="w-3.5 h-3.5"></i>
      </button>

      <!-- Educational SOP Panel Button -->
      <button onclick="toggleModal('sop-modal')" class="p-1.5 rounded-lg border border-slate-800 bg-slate-900 text-slate-400 hover:text-cyan-400 hover:border-slate-700 transition" title="CORS & SOP Info">
        <i data-lucide="help-circle" class="w-4 h-4"></i>
      </button>

      <!-- Install PWA Button -->
      <button id="pwa-install-btn" onclick="installPWA()" class="hidden flex items-center gap-1 px-2.5 py-1.5 rounded-lg bg-cyan-600 hover:bg-cyan-500 text-white text-xs font-medium transition shadow-md shadow-cyan-600/30">
        <i data-lucide="download" class="w-3.5 h-3.5"></i> Install
      </button>
    </div>
  </header>

  <!-- ALLOWED ORIGIN BANNER -->
  <div id="origin-setup-banner" class="bg-gradient-to-r from-slate-900 via-cyan-950/60 to-slate-900 border-b border-cyan-500/30 p-2.5 px-4 flex flex-col md:flex-row items-start md:items-center justify-between gap-3 text-xs z-10 shrink-0">
    <div class="flex items-center gap-2.5">
      <div class="p-1.5 rounded-lg bg-cyan-500/10 border border-cyan-500/30 text-cyan-400 shrink-0">
        <i data-lucide="shield-alert" class="w-4 h-4"></i>
      </div>
      <div>
        <span class="font-bold text-cyan-300">SCORS & CorsProxy Origin Setup:</span>
        <span class="text-slate-300 ml-1">Ensure your current domain origin is authorized for full cross-origin fetch permissions.</span>
      </div>
    </div>

    <div class="flex items-center gap-2 w-full md:w-auto overflow-x-auto shrink-0">
      <!-- Live Browser Origin Button -->
      <div class="flex items-center gap-1.5 bg-slate-950 border border-slate-800 rounded-lg px-2.5 py-1 text-[11px] font-mono text-cyan-300">
        <span class="text-slate-500">Live:</span>
        <span id="banner-live-origin" class="font-bold">...</span>
        <button onclick="copyToClipboard(window.location.origin, 'Live Origin')" class="text-slate-400 hover:text-white ml-1 p-0.5 rounded hover:bg-slate-800" title="Copy Live Origin">
          <i data-lucide="copy" class="w-3 h-3"></i>
        </button>
      </div>

      <!-- Google Canvas Origin Button -->
      <div class="flex items-center gap-1.5 bg-slate-950 border border-slate-800 rounded-lg px-2.5 py-1 text-[11px] font-mono text-cyan-300">
        <span class="text-slate-500">Canvas:</span>
        <span class="font-bold">googleusercontent.com</span>
        <button onclick="copyToClipboard('https://googleusercontent.com', 'Canvas Origin')" class="text-slate-400 hover:text-white ml-1 p-0.5 rounded hover:bg-slate-800" title="Copy Canvas Origin">
          <i data-lucide="copy" class="w-3 h-3"></i>
        </button>
      </div>

      <button onclick="toggleModal('origin-modal')" class="px-2.5 py-1 rounded-lg bg-cyan-600/80 hover:bg-cyan-500 text-white font-medium text-[11px] transition shrink-0">
        Setup Guide
      </button>

      <button onclick="dismissBanner()" class="text-slate-500 hover:text-slate-300 p-1" title="Dismiss Banner">
        <i data-lucide="x" class="w-4 h-4"></i>
      </button>
    </div>
  </div>

  <!-- URL & RENDER CONTROL BAR -->
  <div class="border-b border-slate-800 bg-slate-900/50 p-2.5 px-4 flex flex-col space-y-2 z-10 shrink-0">
    <div class="flex flex-col md:flex-row items-stretch md:items-center gap-2">
      <!-- Target URL Input -->
      <div class="flex-1 flex items-center gap-2 bg-slate-950 border border-slate-800 rounded-lg px-3 py-1.5 focus-within:border-cyan-500 transition">
        <i data-lucide="globe" class="w-4 h-4 text-slate-500 shrink-0"></i>
        <input type="url" id="target-url" value="https://example.com" placeholder="https://example.com" class="w-full bg-transparent text-xs text-slate-100 placeholder-slate-600 outline-none" onkeydown="if(event.key==='Enter') renderTarget()">
        <button onclick="clearUrl()" class="text-slate-500 hover:text-slate-300">
          <i data-lucide="x" class="w-3.5 h-3.5"></i>
        </button>
      </div>

      <!-- Execute Actions -->
      <div class="flex items-center gap-2">
        <button onclick="renderTarget()" id="btn-fetch" class="flex-1 md:flex-none px-4 py-1.5 rounded-lg bg-gradient-to-r from-cyan-500 to-blue-600 hover:from-cyan-400 hover:to-blue-500 text-white font-medium text-xs flex items-center justify-center gap-2 transition shadow-md shadow-cyan-500/20 active:scale-95">
          <i data-lucide="play" class="w-3.5 h-3.5"></i> <span id="btn-fetch-label">Fetch & Inject</span>
        </button>

        <!-- Presets Dropdown -->
        <div class="relative">
          <button onclick="togglePresetMenu()" class="px-2.5 py-1.5 rounded-lg border border-slate-800 bg-slate-900 text-slate-300 text-xs flex items-center gap-1 hover:border-slate-700 transition">
            Presets <i data-lucide="chevron-down" class="w-3 h-3"></i>
          </button>
          <div id="preset-menu" class="hidden absolute right-0 mt-1 w-48 bg-slate-900 border border-slate-800 rounded-xl shadow-2xl z-50 py-1 text-xs">
            <div class="px-3 py-1 text-[10px] uppercase font-semibold text-slate-500">Preset Pages</div>
            <button onclick="loadPreset('https://example.com')" class="w-full text-left px-3 py-1.5 hover:bg-slate-800 text-slate-300">Example Domain</button>
            <button onclick="loadPreset('https://news.ycombinator.com')" class="w-full text-left px-3 py-1.5 hover:bg-slate-800 text-slate-300">Hacker News</button>
            <button onclick="loadPreset('https://en.m.wikipedia.org/wiki/Main_Page')" class="w-full text-left px-3 py-1.5 hover:bg-slate-800 text-slate-300">Wikipedia Mobile</button>
            <button onclick="loadPreset('https://httpbin.org/html')" class="w-full text-left px-3 py-1.5 hover:bg-slate-800 text-slate-300">HTTPBin HTML Test</button>
            <button onclick="loadPreset('https://quotes.toscrape.com')" class="w-full text-left px-3 py-1.5 hover:bg-slate-800 text-slate-300">Quotes To Scrape</button>
          </div>
        </div>
      </div>
    </div>

    <!-- DIRECT IFRAME SANDBOX FLAGS CONTROL BAR -->
    <div id="iframe-flags-bar" class="hidden pt-1 border-t border-slate-800/80 flex flex-wrap items-center gap-x-4 gap-y-1 text-[11px] text-slate-400">
      <span class="font-bold text-cyan-400 flex items-center gap-1">
        <i data-lucide="sliders" class="w-3 h-3"></i> iFrame Sandbox Flags:
      </span>
      <label class="flex items-center gap-1 cursor-pointer hover:text-slate-200">
        <input type="checkbox" id="flag-scripts" checked onchange="updateIframeSandboxFlags()" class="rounded bg-slate-950 border-slate-700 text-cyan-500"> allow-scripts
      </label>
      <label class="flex items-center gap-1 cursor-pointer hover:text-slate-200">
        <input type="checkbox" id="flag-same-origin" checked onchange="updateIframeSandboxFlags()" class="rounded bg-slate-950 border-slate-700 text-cyan-500"> allow-same-origin
      </label>
      <label class="flex items-center gap-1 cursor-pointer hover:text-slate-200">
        <input type="checkbox" id="flag-forms" checked onchange="updateIframeSandboxFlags()" class="rounded bg-slate-950 border-slate-700 text-cyan-500"> allow-forms
      </label>
      <label class="flex items-center gap-1 cursor-pointer hover:text-slate-200">
        <input type="checkbox" id="flag-popups" checked onchange="updateIframeSandboxFlags()" class="rounded bg-slate-950 border-slate-700 text-cyan-500"> allow-popups
      </label>
      <label class="flex items-center gap-1 cursor-pointer hover:text-slate-200">
        <input type="checkbox" id="flag-modals" checked onchange="updateIframeSandboxFlags()" class="rounded bg-slate-950 border-slate-700 text-cyan-500"> allow-modals
      </label>
    </div>
  </div>

  <!-- MAIN WORKSPACE LAYOUT -->
  <div class="flex-1 flex overflow-hidden relative">

    <!-- LEFT WORKSPACE CONTROL PANE -->
    <aside id="left-pane" class="w-full md:w-96 border-r border-slate-800 bg-slate-900/70 flex flex-col shrink-0 z-10 transition-all duration-300">

      <!-- NAV TABS -->
      <div class="h-9 flex border-b border-slate-800 bg-slate-950/60 text-xs shrink-0 items-center justify-between px-2">
        <div class="flex items-center flex-1 h-full overflow-x-auto no-scrollbar">
          <button onclick="switchTab('scriptlets')" id="tab-btn-scriptlets" class="py-2 px-2.5 font-medium text-cyan-400 border-b-2 border-cyan-400 flex items-center gap-1 transition text-xs whitespace-nowrap">
            <i data-lucide="wand-2" class="w-3.5 h-3.5"></i> Scriptlets
          </button>
          <button onclick="switchTab('console')" id="tab-btn-console" class="py-2 px-2.5 font-medium text-slate-400 border-b-2 border-transparent hover:text-slate-200 flex items-center gap-1 transition text-xs whitespace-nowrap relative">
            <i data-lucide="terminal" class="w-3.5 h-3.5"></i> Console
            <span id="log-count-badge" class="hidden px-1.5 py-0.2 rounded-full bg-cyan-500/20 text-cyan-300 text-[10px] font-bold">0</span>
          </button>
          <button onclick="switchTab('fetch')" id="tab-btn-fetch" class="py-2 px-2.5 font-medium text-slate-400 border-b-2 border-transparent hover:text-slate-200 flex items-center gap-1 transition text-xs whitespace-nowrap">
            <i data-lucide="arrow-up-right" class="w-3.5 h-3.5"></i> Fetch
          </button>
          <button onclick="switchTab('settings')" id="tab-btn-settings" class="py-2 px-2.5 font-medium text-slate-400 border-b-2 border-transparent hover:text-slate-200 flex items-center gap-1 transition text-xs whitespace-nowrap">
            <i data-lucide="key-round" class="w-3.5 h-3.5"></i> Keys/Proxy
          </button>
        </div>
      </div>

      <!-- TAB 1: SCRIPTLETS MANAGER -->
      <div id="tab-scriptlets" class="flex-1 overflow-y-auto p-4 space-y-4">
        <div class="flex items-center justify-between">
          <h3 class="text-xs font-semibold text-slate-400 uppercase tracking-wider">Active Injections</h3>
          <span class="text-[10px] text-slate-500">Auto-injects on Fetch</span>
        </div>

        <!-- Scriptlet Cards -->
        <div class="space-y-2.5">
          <!-- Dark Mode Enforcer -->
          <label class="flex items-start justify-between p-3 rounded-xl border border-slate-800 bg-slate-950/60 hover:border-slate-700 transition cursor-pointer group">
            <div class="flex items-start gap-3">
              <input type="checkbox" id="sc-dark-mode" checked class="mt-1 rounded bg-slate-900 border-slate-700 text-cyan-500 focus:ring-cyan-500 focus:ring-offset-slate-900">
              <div>
                <div class="text-xs font-medium text-slate-200 group-hover:text-cyan-400 transition flex items-center gap-1.5">
                  <i data-lucide="moon" class="w-3.5 h-3.5 text-indigo-400"></i> Dark Mode Enforcer
                </div>
                <p class="text-[11px] text-slate-400 mt-0.5">Inverts page background & enhances contrast for late-night viewing.</p>
              </div>
            </div>
          </label>

          <!-- Auto Form Filler -->
          <label class="flex items-start justify-between p-3 rounded-xl border border-slate-800 bg-slate-950/60 hover:border-slate-700 transition cursor-pointer group">
            <div class="flex items-start gap-3">
              <input type="checkbox" id="sc-form-filler" class="mt-1 rounded bg-slate-900 border-slate-700 text-cyan-500 focus:ring-cyan-500 focus:ring-offset-slate-900">
              <div>
                <div class="text-xs font-medium text-slate-200 group-hover:text-cyan-400 transition flex items-center gap-1.5">
                  <i data-lucide="text-cursor-input" class="w-3.5 h-3.5 text-emerald-400"></i> Auto Form Filler
                </div>
                <p class="text-[11px] text-slate-400 mt-0.5">Populates text inputs, emails, and forms with mock testing data.</p>
              </div>
            </div>
          </label>

          <!-- FPS Counter & HUD -->
          <label class="flex items-start justify-between p-3 rounded-xl border border-slate-800 bg-slate-950/60 hover:border-slate-700 transition cursor-pointer group">
            <div class="flex items-start gap-3">
              <input type="checkbox" id="sc-fps-hud" checked class="mt-1 rounded bg-slate-900 border-slate-700 text-cyan-500 focus:ring-cyan-500 focus:ring-offset-slate-900">
              <div>
                <div class="text-xs font-medium text-slate-200 group-hover:text-cyan-400 transition flex items-center gap-1.5">
                  <i data-lucide="activity" class="w-3.5 h-3.5 text-amber-400"></i> FPS & Node HUD
                </div>
                <p class="text-[11px] text-slate-400 mt-0.5">Overlays live frame rates and total DOM element counts.</p>
              </div>
            </div>
          </label>

          <!-- Element Inspector -->
          <label class="flex items-start justify-between p-3 rounded-xl border border-slate-800 bg-slate-950/60 hover:border-slate-700 transition cursor-pointer group">
            <div class="flex items-start gap-3">
              <input type="checkbox" id="sc-inspector" class="mt-1 rounded bg-slate-900 border-slate-700 text-cyan-500 focus:ring-cyan-500 focus:ring-offset-slate-900">
              <div>
                <div class="text-xs font-medium text-slate-200 group-hover:text-cyan-400 transition flex items-center gap-1.5">
                  <i data-lucide="inspect" class="w-3.5 h-3.5 text-rose-400"></i> Element Inspector
                </div>
                <p class="text-[11px] text-slate-400 mt-0.5">Highlights elements on hover and logs target selector info on click.</p>
              </div>
            </div>
          </label>

          <!-- Ad Defuser -->
          <label class="flex items-start justify-between p-3 rounded-xl border border-slate-800 bg-slate-950/60 hover:border-slate-700 transition cursor-pointer group">
            <div class="flex items-start gap-3">
              <input type="checkbox" id="sc-ad-defuser" checked class="mt-1 rounded bg-slate-900 border-slate-700 text-cyan-500 focus:ring-cyan-500 focus:ring-offset-slate-900">
              <div>
                <div class="text-xs font-medium text-slate-200 group-hover:text-cyan-400 transition flex items-center gap-1.5">
                  <i data-lucide="shield-alert" class="w-3.5 h-3.5 text-cyan-400"></i> Ad & Banner Defuser
                </div>
                <p class="text-[11px] text-slate-400 mt-0.5">Identifies and purges sticky banners, cookie modals, and ad frames.</p>
              </div>
            </div>
          </label>
        </div>

        <!-- Custom JS Code Editor -->
        <div class="pt-2 border-t border-slate-800">
          <div class="flex items-center justify-between mb-2">
            <span class="text-xs font-semibold text-slate-400 uppercase tracking-wider flex items-center gap-1">
              <i data-lucide="code" class="w-3.5 h-3.5 text-cyan-400"></i> Custom JavaScript Code
            </span>
            <button onclick="executeCustomJsNow()" class="text-[11px] text-cyan-400 hover:text-cyan-300 font-medium">Run Live</button>
          </div>
          <textarea id="custom-js-code" rows="5" class="w-full bg-slate-950 border border-slate-800 rounded-xl p-3 text-xs font-mono text-cyan-300 placeholder-slate-600 focus:border-cyan-500 outline-none resize-none" placeholder="// Custom JavaScript snippet injected into target iframe
console.log('Hello from Custom Scriptlet!');
document.body.style.border = '3px solid #0ea5e9';"></textarea>
        </div>
      </div>

      <!-- TAB 2: CONSOLE LOGS -->
      <div id="tab-console" class="hidden flex-1 flex flex-col h-full overflow-hidden bg-slate-950">
        <!-- Console Toolbar -->
        <div class="p-2 border-b border-slate-800 bg-slate-900/50 flex items-center justify-between text-xs shrink-0">
          <div class="flex items-center gap-1">
            <button onclick="filterConsole('all')" id="filter-all" class="px-2 py-0.5 rounded bg-slate-800 text-slate-200 font-medium">All</button>
            <button onclick="filterConsole('log')" id="filter-log" class="px-2 py-0.5 rounded text-slate-400 hover:text-slate-200">Log</button>
            <button onclick="filterConsole('warn')" id="filter-warn" class="px-2 py-0.5 rounded text-amber-400/80 hover:text-amber-400">Warn</button>
            <button onclick="filterConsole('error')" id="filter-error" class="px-2 py-0.5 rounded text-rose-400/80 hover:text-rose-400">Error</button>
          </div>
          <button onclick="clearConsoleLogs()" class="p-1 text-slate-500 hover:text-slate-300 rounded hover:bg-slate-800" title="Clear Console">
            <i data-lucide="trash-2" class="w-3.5 h-3.5"></i>
          </button>
        </div>

        <!-- Log List -->
        <div id="console-logs-container" class="flex-1 overflow-y-auto p-3 font-mono text-[11px] space-y-1.5">
          <div class="text-slate-600 italic">No console activity recorded yet. Fetch a page to begin capture.</div>
        </div>

        <!-- Live JS Evaluator Command Input -->
        <div class="p-2 border-t border-slate-800 bg-slate-900/90 flex items-center gap-2 shrink-0">
          <span class="text-cyan-400 font-mono text-xs pl-1">&gt;</span>
          <input type="text" id="console-cmd-input" placeholder="Eval JS in frame... e.g. document.title" class="flex-1 bg-slate-950 border border-slate-800 rounded-lg px-2.5 py-1 text-xs font-mono text-slate-200 focus:border-cyan-500 outline-none" onkeydown="if(event.key==='Enter') runConsoleCmd()">
          <button onclick="runConsoleCmd()" class="px-2.5 py-1 rounded-lg bg-cyan-600 text-white text-xs font-medium hover:bg-cyan-500 transition">Run</button>
        </div>
      </div>

      <!-- TAB 3: CUSTOM FETCH CLIENT (SIMPLE & ADVANCED) -->
      <div id="tab-fetch" class="hidden flex-1 overflow-y-auto p-4 space-y-4">
        <div>
          <h3 class="text-xs font-semibold text-slate-400 uppercase tracking-wider flex items-center gap-1.5">
            <i data-lucide="arrow-up-right" class="w-3.5 h-3.5 text-cyan-400"></i> HTTP Fetch Client
          </h3>
          <p class="text-[11px] text-slate-400 mt-0.5">Send custom HTTP requests to target endpoints directly or through the active proxy.</p>
        </div>

        <!-- Mode Toggle (Simple / Advanced) -->
        <div class="flex bg-slate-950 p-1 rounded-lg border border-slate-800 text-xs">
          <button onclick="switchFetchSubtab('simple')" id="fetch-subtab-simple" class="flex-1 py-1 rounded-md bg-cyan-600 text-white font-medium transition">Simple</button>
          <button onclick="switchFetchSubtab('advanced')" id="fetch-subtab-advanced" class="flex-1 py-1 rounded-md text-slate-400 hover:text-slate-200 font-medium transition">Advanced</button>
        </div>

        <!-- Common URL & Method Bar -->
        <div class="space-y-2 bg-slate-950 p-3 rounded-xl border border-slate-800">
          <div class="flex gap-2">
            <select id="fetch-method" class="bg-slate-900 border border-slate-800 text-cyan-400 text-xs font-mono font-bold rounded-lg px-2 py-1.5 outline-none focus:border-cyan-500">
              <option value="GET">GET</option>
              <option value="POST">POST</option>
              <option value="PUT">PUT</option>
              <option value="DELETE">DELETE</option>
              <option value="PATCH">PATCH</option>
              <option value="HEAD">HEAD</option>
            </select>
            <input type="url" id="fetch-url" value="https://httpbin.org/get" placeholder="https://api.example.com/data" class="flex-1 bg-slate-900 border border-slate-800 rounded-lg px-2.5 py-1.5 text-xs font-mono text-slate-100 focus:border-cyan-500 outline-none">
          </div>

          <!-- SIMPLE SECTION -->
          <div id="fetch-simple-section" class="space-y-2 pt-1">
            <label class="flex items-center gap-2 cursor-pointer text-[11px] text-slate-300">
              <input type="checkbox" id="fetch-use-proxy-simple" checked class="rounded bg-slate-900 border-slate-700 text-cyan-500">
              Route through Active Proxy (<span id="fetch-active-proxy-label" class="text-cyan-400 font-mono">SCORS</span>)
            </label>
          </div>

          <!-- ADVANCED SECTION -->
          <div id="fetch-advanced-section" class="hidden space-y-3 pt-2 border-t border-slate-800/80">
            <div class="flex items-center justify-between text-[11px]">
              <label class="flex items-center gap-2 cursor-pointer text-slate-300">
                <input type="checkbox" id="fetch-use-proxy-advanced" checked class="rounded bg-slate-900 border-slate-700 text-cyan-500">
                Route through Active Proxy
              </label>
              <span class="text-slate-500">Custom Headers & Parameters</span>
            </div>

            <!-- Custom Headers -->
            <div class="space-y-1">
              <label class="text-[11px] font-medium text-slate-400 block">Headers (JSON or Key: Value per line)</label>
              <textarea id="fetch-headers" rows="2" class="w-full bg-slate-900 border border-slate-800 rounded-lg p-2 text-[11px] font-mono text-cyan-300 outline-none focus:border-cyan-500 resize-none" placeholder='{"Content-Type": "application/json", "Authorization": "Bearer token"}'></textarea>
            </div>

            <!-- Request Body -->
            <div class="space-y-1">
              <label class="text-[11px] font-medium text-slate-400 block">Request Body (JSON / String Payload)</label>
              <textarea id="fetch-body" rows="2" class="w-full bg-slate-900 border border-slate-800 rounded-lg p-2 text-[11px] font-mono text-cyan-300 outline-none focus:border-cyan-500 resize-none" placeholder='{"key": "value"}'></textarea>
            </div>

            <!-- Mode & Credentials Grid -->
            <div class="grid grid-cols-2 gap-2 text-[11px]">
              <div>
                <label class="text-slate-400 block mb-1">Mode</label>
                <select id="fetch-mode" class="w-full bg-slate-900 border border-slate-800 text-slate-200 rounded-lg p-1.5 outline-none">
                  <option value="cors">cors</option>
                  <option value="no-cors">no-cors</option>
                  <option value="same-origin">same-origin</option>
                </select>
              </div>
              <div>
                <label class="text-slate-400 block mb-1">Credentials</label>
                <select id="fetch-credentials" class="w-full bg-slate-900 border border-slate-800 text-slate-200 rounded-lg p-1.5 outline-none">
                  <option value="omit">omit</option>
                  <option value="same-origin">same-origin</option>
                  <option value="include">include</option>
                </select>
              </div>
            </div>

            <!-- Additional Custom Options JSON -->
            <div class="space-y-1">
              <label class="text-[11px] font-medium text-slate-400 block">Additional Fetch Init Options (JSON)</label>
              <textarea id="fetch-raw-options" rows="2" class="w-full bg-slate-900 border border-slate-800 rounded-lg p-2 text-[11px] font-mono text-cyan-300 outline-none focus:border-cyan-500 resize-none" placeholder='{"cache": "no-cache", "redirect": "follow"}'></textarea>
            </div>
          </div>

          <!-- Execute Action Button -->
          <div class="pt-2">
            <button onclick="executeCustomFetch()" class="w-full py-2 rounded-lg bg-gradient-to-r from-cyan-500 to-blue-600 hover:from-cyan-400 hover:to-blue-500 text-white font-medium text-xs transition shadow flex items-center justify-center gap-1.5 active:scale-95">
              <i data-lucide="send" class="w-3.5 h-3.5"></i> Execute Request
            </button>
          </div>
        </div>

        <!-- Response Viewer Panel -->
        <div class="space-y-2">
          <div class="flex items-center justify-between">
            <h4 class="text-[11px] font-semibold text-slate-400 uppercase">Response Output</h4>
            <span id="fetch-response-status" class="text-[10px] font-mono text-slate-500">Ready</span>
          </div>
          <div id="fetch-response-container" class="bg-slate-950 p-3 rounded-xl border border-slate-800 font-mono text-[11px] space-y-2 max-h-64 overflow-y-auto">
            <div class="text-slate-600 italic">No request sent yet. Click "Execute Request" above.</div>
          </div>
        </div>
      </div>

      <!-- TAB 4: API KEYS & PROXY CONFIG -->
      <div id="tab-settings" class="hidden flex-1 overflow-y-auto p-4 space-y-5">
        <div class="border-b border-slate-800 pb-3">
          <h3 class="text-sm font-semibold text-slate-200 flex items-center gap-2">
            <i data-lucide="key" class="w-4 h-4 text-cyan-400"></i> Proxy Service Manager
          </h3>
          <p class="text-xs text-slate-400 mt-1">Configure your active proxy routing provider and failover behavior.</p>
        </div>

        <!-- Proxy Provider Selector -->
        <div class="space-y-2">
          <label class="text-xs font-medium text-slate-300 block">Active Proxy Service</label>
          <select id="proxy-selector" onchange="handleProxyChange()" class="w-full bg-slate-950 border border-slate-800 text-slate-200 text-xs rounded-xl p-2.5 focus:ring-1 focus:ring-cyan-500 outline-none cursor-pointer">
            <option value="scors">SCORS Proxy (Workers Primary + Pages Backup)</option>
            <option value="corsproxy.dev">CorsProxy.dev (Default with Key)</option>
            <option value="corsproxy.io">CorsProxy.io (Public)</option>
            <option value="allorigins">AllOrigins Proxy</option>
            <option value="cors.dev">CORS.dev Proxy</option>
          </select>
        </div>

        <!-- Key Input Box -->
        <div class="space-y-2">
          <label class="text-xs font-medium text-slate-300 block">CorsProxy.dev API Key (Optional for SCORS)</label>
          <div class="relative">
            <input type="password" id="cors-key-input" class="w-full bg-slate-950 border border-slate-800 rounded-xl px-3 py-2 text-xs font-mono text-emerald-400 focus:border-cyan-500 outline-none pr-10" placeholder="sk_live_...">
            <button onclick="toggleKeyVisibility()" class="absolute right-2.5 top-2.5 text-slate-500 hover:text-slate-300">
              <i data-lucide="eye" id="eye-icon" class="w-4 h-4"></i>
            </button>
          </div>
          <div class="flex items-center justify-between text-[11px] pt-1">
            <span class="text-slate-500">Pre-configured live key</span>
            <button onclick="resetDefaultKey()" class="text-cyan-400 hover:underline font-medium">Reset Default</button>
          </div>
        </div>

        <!-- Active Status Badge Details -->
        <div id="key-status-card" class="p-3.5 rounded-xl border border-emerald-500/30 bg-emerald-950/20 text-xs space-y-2">
          <div class="flex items-center justify-between">
            <span class="font-medium text-emerald-400 flex items-center gap-1.5">
              <span class="w-2 h-2 rounded-full bg-emerald-400"></span> Key Authentication State
            </span>
            <span id="key-auth-state" class="font-mono text-[10px] bg-emerald-900/60 text-emerald-300 px-2 py-0.5 rounded-full">ACTIVE</span>
          </div>
          <p class="text-slate-300 text-[11px]" id="key-status-desc">Valid API key bound: <code class="font-mono text-emerald-300" id="masked-key-display">sk_live_ed0b...acb</code></p>
          <div class="pt-1 flex gap-2">
            <button onclick="saveAndValidateKey()" class="flex-1 py-1.5 rounded-lg bg-emerald-600 hover:bg-emerald-500 text-white font-medium text-xs transition">Save Key</button>
            <button onclick="testKeyAuth()" class="px-3 py-1.5 rounded-lg border border-slate-700 bg-slate-800 hover:bg-slate-700 text-slate-200 text-xs transition">Test Ping</button>
          </div>
        </div>
      </div>
    </aside>

    <!-- RIGHT SANDBOX VIEWPORT CONTAINER -->
    <main class="flex-1 bg-slate-950 flex flex-col relative overflow-hidden">

      <!-- VIEWPORT FRAME HEADER -->
      <div class="h-9 border-b border-slate-800 bg-slate-900/80 px-4 flex items-center justify-between text-xs shrink-0">
        <div class="flex items-center gap-2">
          <!-- Sidebar Toggle Button directly to the left of the status dot indicator -->
          <button onclick="toggleLeftPane()" id="sidebar-toggle-btn" class="p-1 rounded-md text-slate-400 hover:text-cyan-400 hover:bg-slate-800 transition mr-1" title="Hide Sidebar">
            <i data-lucide="panel-left-close" class="w-4 h-4"></i>
          </button>
          <span class="w-2.5 h-2.5 rounded-full bg-slate-700" id="sandbox-status-dot"></span>
          <span class="font-mono text-[11px] text-slate-400" id="sandbox-status-text">Ready</span>
        </div>

        <div class="flex items-center gap-3 text-[11px] text-slate-500">
          <span id="render-mode-indicator" class="font-bold text-cyan-400 uppercase">PROXY MODE</span>
          <span id="load-time-display">0 ms</span>
          <button onclick="reloadSandboxIframe()" class="hover:text-slate-200 transition" title="Reload Frame">
            <i data-lucide="rotate-cw" class="w-3.5 h-3.5"></i>
          </button>
          <button onclick="openFrameInNewTab()" class="hover:text-slate-200 transition" title="Open Clean Frame">
            <i data-lucide="external-link" class="w-3.5 h-3.5"></i>
          </button>
          <button onclick="toggleFullscreen()" id="fullscreen-btn" class="hover:text-slate-200 transition" title="Toggle Fullscreen">
            <i data-lucide="maximize" class="w-3.5 h-3.5"></i>
          </button>
        </div>
      </div>

      <!-- CENTERED DEVICE CANVAS CONTAINER -->
      <div class="flex-1 p-4 md:p-6 overflow-auto flex items-center justify-center bg-[radial-gradient(#1e293b_1px,transparent_1px)] [background-size:16px_16px]">
        <div id="device-wrapper" class="device-viewport device-desktop bg-white rounded-lg shadow-2xl overflow-hidden border border-slate-800 flex flex-col relative">
          <!-- Loading Overlay -->
          <div id="frame-loader" class="hidden absolute inset-0 bg-slate-950/85 backdrop-blur-sm z-30 flex flex-col items-center justify-center text-slate-200 space-y-3">
            <div class="w-8 h-8 border-2 border-cyan-500 border-t-transparent rounded-full animate-spin"></div>
            <p class="text-xs font-mono text-cyan-400" id="loader-status">Proxying request & injecting scriptlets...</p>
          </div>

          <!-- Sandboxed Iframe -->
          <iframe id="sandbox-iframe" class="w-full h-full border-none bg-white" sandbox="allow-scripts allow-same-origin allow-forms allow-popups allow-modals"></iframe>
        </div>
      </div>
    </main>
  </div>

  <!-- ALLOWED ORIGIN HELPER MODAL -->
  <div id="origin-modal" class="hidden fixed inset-0 bg-slate-950/80 backdrop-blur-md z-50 flex items-center justify-center p-4">
    <div class="bg-slate-900 border border-slate-800 rounded-2xl max-w-lg w-full p-6 space-y-5 shadow-2xl relative">
      <button onclick="toggleModal('origin-modal')" class="absolute right-4 top-4 text-slate-500 hover:text-slate-200">
        <i data-lucide="x" class="w-5 h-5"></i>
      </button>

      <div class="flex items-center gap-3">
        <div class="p-2.5 rounded-xl bg-cyan-500/10 border border-cyan-500/30 text-cyan-400">
          <i data-lucide="globe-2" class="w-6 h-6"></i>
        </div>
        <div>
          <h3 class="text-base font-bold text-slate-100">ScriptCraft Allowed Origins</h3>
          <p class="text-xs text-slate-400">Copy these origins to your CORS proxy settings</p>
        </div>
      </div>

      <div class="space-y-3 text-xs">
        <!-- Live Current Origin -->
        <div class="p-3 rounded-xl bg-slate-950 border border-slate-800 space-y-1.5">
          <div class="flex items-center justify-between">
            <span class="font-semibold text-slate-200">1. Active Browser Window Origin</span>
            <span class="text-[10px] bg-cyan-950 text-cyan-300 px-2 py-0.5 rounded-full border border-cyan-800">Current</span>
          </div>
          <p class="text-slate-400 text-[11px]">The exact origin detected for your current browser window session:</p>
          <div class="flex items-center justify-between bg-slate-900 border border-slate-800 rounded-lg p-2 font-mono text-cyan-300">
            <span id="modal-live-origin">...</span>
            <button onclick="copyToClipboard(window.location.origin, 'Live Origin')" class="px-2.5 py-1 rounded bg-cyan-600 hover:bg-cyan-500 text-white text-[10px] font-sans font-medium transition">
              Copy Origin
            </button>
          </div>
        </div>

        <!-- Google Canvas Origin -->
        <div class="p-3 rounded-xl bg-slate-950 border border-slate-800 space-y-1.5">
          <div class="flex items-center justify-between">
            <span class="font-semibold text-slate-200">2. Google Canvas Sandboxed Origin</span>
            <span class="text-[10px] bg-slate-800 text-slate-400 px-2 py-0.5 rounded-full">Canvas Frame</span>
          </div>
          <p class="text-slate-400 text-[11px]">When rendering inside the Web Code Canvas preview environment:</p>
          <div class="flex items-center justify-between bg-slate-900 border border-slate-800 rounded-lg p-2 font-mono text-cyan-300">
            <span>https://googleusercontent.com</span>
            <button onclick="copyToClipboard('https://googleusercontent.com', 'Canvas Origin')" class="px-2.5 py-1 rounded bg-cyan-600 hover:bg-cyan-500 text-white text-[10px] font-sans font-medium transition">
              Copy Origin
            </button>
          </div>
        </div>

        <div class="p-3 rounded-xl bg-slate-950/60 border border-slate-800 text-slate-400 text-[11px] leading-relaxed">
          <strong class="text-slate-200">Instructions:</strong> If using CorsProxy.dev or custom proxy workers, ensure these origins are listed under allowed origin headers.
        </div>
      </div>

      <div class="pt-2 flex justify-end">
        <button onclick="toggleModal('origin-modal')" class="px-4 py-2 rounded-xl bg-slate-800 hover:bg-slate-700 text-slate-200 text-xs font-medium transition">Close Setup</button>
      </div>
    </div>
  </div>

  <!-- EDUCATIONAL SOP & CORS MODAL -->
  <div id="sop-modal" class="hidden fixed inset-0 bg-slate-950/80 backdrop-blur-md z-50 flex items-center justify-center p-4">
    <div class="bg-slate-900 border border-slate-800 rounded-2xl max-w-xl w-full p-6 space-y-5 shadow-2xl relative">
      <button onclick="toggleModal('sop-modal')" class="absolute right-4 top-4 text-slate-500 hover:text-slate-200">
        <i data-lucide="x" class="w-5 h-5"></i>
      </button>

      <div class="flex items-center gap-3">
        <div class="p-2.5 rounded-xl bg-cyan-500/10 border border-cyan-500/30 text-cyan-400">
          <i data-lucide="shield-check" class="w-6 h-6"></i>
        </div>
        <div>
          <h3 class="text-base font-bold text-slate-100">Browser Security & Script Injection Guide</h3>
          <p class="text-xs text-slate-400">Understanding Same-Origin Policy and Proxy Mechanics</p>
        </div>
      </div>

      <div class="space-y-3 text-xs text-slate-300 leading-relaxed max-h-96 overflow-y-auto pr-1">
        <div class="p-3 rounded-xl bg-slate-950 border border-slate-800">
          <h4 class="font-semibold text-cyan-400 mb-1 flex items-center gap-1.5">
            <i data-lucide="lock" class="w-3.5 h-3.5"></i> Same-Origin Policy (SOP)
          </h4>
          <p class="text-slate-400">Browsers isolate different origins. A script on <code class="text-cyan-300">site-a.com</code> cannot access or execute code directly inside an iframe running on <code class="text-cyan-300">site-b.com</code> unless both sites permit it.</p>
        </div>

        <div class="p-3 rounded-xl bg-slate-950 border border-slate-800">
          <h4 class="font-semibold text-cyan-400 mb-1 flex items-center gap-1.5">
            <i data-lucide="arrow-right-left" class="w-3.5 h-3.5"></i> How Proxy HTML Injector Mode Works
          </h4>
          <p class="text-slate-400">The proxy fetches the raw HTML server-side, strips restrictive headers like <code class="text-rose-400">X-Frame-Options</code> and <code class="text-rose-400">Content-Security-Policy</code>, injects custom scriptlets, and renders the result safely in your sandbox frame.</p>
        </div>

        <div class="p-3 rounded-xl bg-slate-950 border border-slate-800">
          <h4 class="font-semibold text-cyan-400 mb-1 flex items-center gap-1.5">
            <i data-lucide="layout" class="w-3.5 h-3.5"></i> Direct iFrame Mode
          </h4>
          <p class="text-slate-400">Direct iFrame mode embeds the target URL natively. You can toggle sandbox flags to control execution permissions, though sites enforcing <code class="text-slate-300">X-Frame-Options: DENY</code> may require Proxy Mode.</p>
        </div>
      </div>

      <div class="pt-2 flex justify-end">
        <button onclick="toggleModal('sop-modal')" class="px-4 py-2 rounded-xl bg-slate-800 hover:bg-slate-700 text-slate-200 text-xs font-medium transition">Got it</button>
      </div>
    </div>
  </div>

  <!-- TOAST NOTIFICATION CONTAINER -->
  <div id="toast-container" class="fixed bottom-4 right-4 z-50 flex flex-col space-y-2 pointer-events-none"></div>

  <!-- APPLICATION LOGIC -->
  <script>
    // CONSTANTS & INITIAL STATE
    const DEFAULT_KEY = 'sk_live_not-a-real-key';
    let corsApiKey = localStorage.getItem('sc_cors_key') || DEFAULT_KEY;
    let activeProxy = localStorage.getItem('sc_proxy_choice') || 'scors';
    let renderMode = 'proxy'; // 'proxy' or 'iframe'
    let consoleLogs = [];
    let activeConsoleFilter = 'all';
    let activeFetchSubtab = 'simple';
    let deferredPrompt = null;

    // SETUP ORIGIN UI DISPLAY
    function setupOriginUI() {
      const liveOrigin = window.location.origin;
      document.getElementById('banner-live-origin').textContent = liveOrigin;
      document.getElementById('modal-live-origin').textContent = liveOrigin;
    }

    function dismissBanner() {
      document.getElementById('origin-setup-banner').classList.add('hidden');
    }

    // PWA SERVICE WORKER & MANIFEST
    function initPWA() {
      const manifest = {
        name: "ScriptCraft PWA Web Sandbox",
        short_name: "ScriptCraft",
        start_url: "./",
        display: "standalone",
        background_color: "#0f172a",
        theme_color: "#0f172a",
        icons: [{
          src: "https://placehold.co/192x192/0284c7/ffffff?text=SC",
          sizes: "192x192",
          type: "image/png"
        }]
      };
      const blob = new Blob([JSON.stringify(manifest)], {type: 'application/json'});
      document.getElementById('manifest-placeholder').setAttribute('href', URL.createObjectURL(blob));

      window.addEventListener('beforeinstallprompt', (e) => {
        e.preventDefault();
        deferredPrompt = e;
        document.getElementById('pwa-install-btn').classList.remove('hidden');
      });
    }

    function installPWA() {
      if (deferredPrompt) {
        deferredPrompt.prompt();
        deferredPrompt.userChoice.then(() => {
          deferredPrompt = null;
          document.getElementById('pwa-install-btn').classList.add('hidden');
        });
      }
    }

    // RENDER MODE SWITCHER (PROXY VS DIRECT IFRAME)
    function setRenderMode(mode) {
      renderMode = mode;
      const btnProxy = document.getElementById('mode-btn-proxy');
      const btnIframe = document.getElementById('mode-btn-iframe');
      const iframeFlagsBar = document.getElementById('iframe-flags-bar');
      const btnLabel = document.getElementById('btn-fetch-label');
      const modeIndicator = document.getElementById('render-mode-indicator');

      if (mode === 'proxy') {
        btnProxy.className = "px-3 py-1 text-xs font-medium rounded-md bg-cyan-600 text-white flex items-center gap-1.5 transition shadow";
        btnIframe.className = "px-3 py-1 text-xs font-medium rounded-md text-slate-400 hover:text-slate-200 flex items-center gap-1.5 transition";
        iframeFlagsBar.classList.add('hidden');
        btnLabel.textContent = "Fetch & Inject";
        modeIndicator.textContent = "PROXY MODE";
      } else {
        btnIframe.className = "px-3 py-1 text-xs font-medium rounded-md bg-cyan-600 text-white flex items-center gap-1.5 transition shadow";
        btnProxy.className = "px-3 py-1 text-xs font-medium rounded-md text-slate-400 hover:text-slate-200 flex items-center gap-1.5 transition";
        iframeFlagsBar.classList.remove('hidden');
        btnLabel.textContent = "Load iFrame";
        modeIndicator.textContent = "DIRECT IFRAME";
      }
      renderTarget();
    }

    // MAIN TARGET RENDER CONTROLLER
    function renderTarget() {
      if (renderMode === 'proxy') {
        fetchAndInjectProxyPage();
      } else {
        loadDirectIframe();
      }
    }

    // RENDER MODE 1: PROXY HTML FETCH & JS INJECTOR (WITH SCORS FALLBACK LOGIC)
    async function fetchAndInjectProxyPage() {
      const urlInput = document.getElementById('target-url').value.trim();
      if (!urlInput) return;

      const loader = document.getElementById('frame-loader');
      const statusDot = document.getElementById('sandbox-status-dot');
      const statusText = document.getElementById('sandbox-status-text');
      const startTime = performance.now();

      loader.classList.remove('hidden');
      document.getElementById('loader-status').textContent = "Proxying HTML & injecting scriptlets...";
      statusDot.className = "w-2.5 h-2.5 rounded-full bg-amber-400 animate-pulse";
      statusText.textContent = "Fetching...";

      try {
        let proxyUrl = getProxyUrl(urlInput, false);
        consoleLog('info', [`Fetching page via ${activeProxy}: ${urlInput}`]);

        let response;
        try {
          response = await fetch(proxyUrl);
          if (!response.ok) throw new Error(`Primary proxy status: ${response.status}`);
        } catch (primaryErr) {
          if (activeProxy === 'scors') {
            consoleLog('warn', [`SCORS primary proxy failed (${primaryErr.message}). Attempting backup proxy...`]);
            proxyUrl = getProxyUrl(urlInput, true);
            try {
              response = await fetch(proxyUrl);
              if (!response.ok) throw new Error(`Backup proxy status: ${response.status}`);
            } catch (backupErr) {
              consoleLog('warn', [`SCORS backup proxy also failed (${backupErr.message}). Attempting public CORS fallback...`]);
              proxyUrl = `https://corsproxy.io/?url=${encodeURIComponent(urlInput)}`;
              response = await fetch(proxyUrl);
              if (!response.ok) throw new Error(`Public fallback proxy status: ${response.status}`);
            }
          } else {
            throw primaryErr;
          }
        }

        let htmlText = await response.text();
        const endTime = performance.now();
        document.getElementById('load-time-display').textContent = `${Math.round(endTime - startTime)} ms`;

        // Inject Base Tag and Console Interceptor
        const targetOrigin = new URL(urlInput).origin;
        const injectedHtml = buildInjectedDocument(htmlText, targetOrigin);

        // Render in Iframe via srcdoc
        const iframe = document.getElementById('sandbox-iframe');
        iframe.removeAttribute('src');
        iframe.srcdoc = injectedHtml;

        statusDot.className = "w-2.5 h-2.5 rounded-full bg-emerald-400";
        statusText.textContent = `Proxy Loaded (200 OK)`;
      } catch (err) {
        consoleLog('error', [`Proxy Fetch Error: ${err.message}`]);
        statusDot.className = "w-2.5 h-2.5 rounded-full bg-rose-500";
        statusText.textContent = "Fetch Error";

        const iframe = document.getElementById('sandbox-iframe');
        iframe.srcdoc = `
          <div style="font-family:sans-serif;padding:40px;color:#f43f5e;background:#0f172a;height:100vh;">
            <h2 style="margin:0 0 10px 0;">Proxy Fetch Failed</h2>
            <p style="color:#94a3b8;font-size:13px;">${err.message}</p>
            <p style="color:#64748b;font-size:11px;margin-top:20px;">Verify target URL validity, network connectivity, or try switching the proxy preset in Settings.</p>
          </div>
        `;
      } finally {
        loader.classList.add('hidden');
      }
    }

    // RENDER MODE 2: DIRECT IFRAME RENDERING
    function loadDirectIframe() {
      const urlInput = document.getElementById('target-url').value.trim();
      if (!urlInput) return;

      const iframe = document.getElementById('sandbox-iframe');
      const statusDot = document.getElementById('sandbox-status-dot');
      const statusText = document.getElementById('sandbox-status-text');

      updateIframeSandboxFlags();
      iframe.removeAttribute('srcdoc');
      iframe.src = urlInput;

      statusDot.className = "w-2.5 h-2.5 rounded-full bg-emerald-400";
      statusText.textContent = "Direct iFrame Rendered";
      consoleLog('info', [`Direct iFrame loaded: ${urlInput}`]);
    }

    // DYNAMIC IFRAME SANDBOX FLAGS UPDATER
    function updateIframeSandboxFlags() {
      const iframe = document.getElementById('sandbox-iframe');
      const flags = [];
      if (document.getElementById('flag-scripts').checked) flags.push('allow-scripts');
      if (document.getElementById('flag-same-origin').checked) flags.push('allow-same-origin');
      if (document.getElementById('flag-forms').checked) flags.push('allow-forms');
      if (document.getElementById('flag-popups').checked) flags.push('allow-popups');
      if (document.getElementById('flag-modals').checked) flags.push('allow-modals');

      iframe.setAttribute('sandbox', flags.join(' '));
    }

    // PROXY URL GENERATOR (INCLUDES SCORS PROXY PRIMARY & BACKUP LOGIC)
    function getProxyUrl(targetUrl, isBackup = false) {
      const encoded = encodeURIComponent(targetUrl);
      switch(activeProxy) {
        case 'scors':
          return isBackup
            ? `https://scorsbackup.pages.dev/SCORS?url=${encoded}`
            : `https://scors.scriptcraft.workers.dev/SCORS?url=${encoded}`;
        case 'corsproxy.dev':
          return `https://api.corsproxy.dev/proxy?url=${encoded}&key=${corsApiKey}`;
        case 'corsproxy.io':
          return `https://corsproxy.io/?url=${encoded}`;
        case 'allorigins':
          return `https://api.allorigins.win/raw?url=${encoded}`;
        case 'cors.dev':
          return `https://corsproxy.dev/proxy?url=${encoded}&key=${corsApiKey}`;
        default:
          return isBackup
            ? `https://scorsbackup.pages.dev/SCORS?url=${encoded}`
            : `https://scors.scriptcraft.workers.dev/SCORS?url=${encoded}`;
      }
    }

    // INJECTION BUILDER FOR PROXY MODE
    function buildInjectedDocument(htmlText, origin) {
      // 1. Console & postMessage Interceptor Script
      const consoleScript = `
        <script>
          (function() {
            const _log = console.log, _warn = console.warn, _error = console.error, _info = console.info;
            function emit(level, args) {
              try {
                const msgs = Array.from(args).map(a => {
                  if (typeof a === 'object') {
                    try { return JSON.stringify(a); } catch(e) { return String(a); }
                  }
                  return String(a);
                });
                window.parent.postMessage({ type: 'SCRIPTCRAFT_LOG', level, msgs, time: new Date().toLocaleTimeString() }, '*');
              } catch(e){}
            }
            console.log = function(...args) { _log.apply(console, args); emit('log', args); };
            console.warn = function(...args) { _warn.apply(console, args); emit('warn', args); };
            console.error = function(...args) { _error.apply(console, args); emit('error', args); };
            console.info = function(...args) { _info.apply(console, args); emit('info', args); };
            window.addEventListener('error', function(e) {
              emit('error', [e.message + ' (' + e.filename + ':' + e.lineno + ')']);
            });
          })();
        <\/script>
      `;

      // 2. Active Scriptlets Code
      let scriptletCode = '';

      if (document.getElementById('sc-dark-mode').checked) {
        scriptletCode += `
          (function() {
            const style = document.createElement('style');
            style.textContent = 'html { filter: invert(0.92) hue-rotate(180deg) !important; background: #121212 !important; } img, video, iframe, canvas, svg { filter: invert(1) hue-rotate(180deg) !important; }';
            document.head.appendChild(style);
            console.log('[ScriptCraft] Dark Mode Enforcer Activated');
          })();
        `;
      }

      if (document.getElementById('sc-form-filler').checked) {
        scriptletCode += `
          (function() {
            setTimeout(() => {
              const inputs = document.querySelectorAll('input, textarea');
              let filled = 0;
              inputs.forEach(el => {
                if (el.type === 'hidden' || el.type === 'submit') return;
                if (el.type === 'email') el.value = 'dev.test@example.com';
                else if (el.type === 'password') el.value = 'TestPass2026!';
                else if (el.type === 'number') el.value = '90210';
                else el.value = 'ScriptCraft Test Data';
                filled++;
              });
              console.log('[ScriptCraft] Auto Form Filler populated ' + filled + ' fields.');
            }, 500);
          })();
        `;
      }

      if (document.getElementById('sc-fps-hud').checked) {
        scriptletCode += `
          (function() {
            const hud = document.createElement('div');
            hud.style.cssText = 'position:fixed;top:10px;right:10px;z-index:999999;background:rgba(15,23,42,0.9);color:#00ffcc;padding:6px 12px;font-family:monospace;font-size:11px;border-radius:6px;border:1px solid #00ffcc;pointer-events:none;';
            document.body.appendChild(hud);
            let times = [];
            function loop() {
              const now = performance.now();
              while (times.length > 0 && times[0] <= now - 1000) { times.shift(); }
              times.push(now);
              hud.innerHTML = '⚡ FPS: <strong>' + times.length + '</strong> | DOM Nodes: <strong>' + document.getElementsByTagName('*').length + '</strong>';
              requestAnimationFrame(loop);
            }
            requestAnimationFrame(loop);
            console.log('[ScriptCraft] Performance HUD Injected');
          })();
        `;
      }